package com.pzhu.service;

import com.pzhu.dao.LoginDao;
import com.pzhu.pojo.User;

public interface LoginService {

    public boolean checkUser(String uname,String pwd);

    public boolean checkUserById(int userId);

    public String selectUNameByUId(int userId);

    public User selectUserById(int id);

    public int selectUidByUName(String uname);
}
